Question

A swimming pool has a perimeter of 72 feet the short side measures 16 feet what is the length of the longest sides of the pool

Answer 1

You get the perimeter by adding all four sides. We know the perimeter equals 72 feet.
P equals 72 feet.
Shortside equals 16.
feet.

Answer 2

4 side = 72 ft
2 of the sides = 16 ft
16 x 2 = 32
72 - 32 = 40
40 / 2 = 20
20 ft